{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Race", "Treatment.Dosage", "Treatment.Disorder", "Effect", "Treatment.Duration", "Treatment.Freq", "Subject", "Subject.Disorder", "Treatment.Drug", "Treatment.Route", "Subject.Population", "Treatment.Time_elapsed", "Combination.Drug", "Treatment", "Subject.Age", "Subject.Gender"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Subject.Disorder", "Treatment.Drug", "Effect", "Treatment.Disorder", "Subject.Race", "Treatment.Dosage", "Subject", "Treatment.Time_elapsed", "Treatment", "Subject.Gender", "Treatment.Route", "Subject.Population", "Treatment.Duration"]}], "input": "Atrial fibrillation occurring in a patient taking etanercept plus methotrexate for rheumatoid arthritis."}
{"adverse event": [{"trigger": "taking ", "arguments": {"Subject.Race": "NAN", "Treatment.Dosage": "NAN", "Treatment.Disorder": "rheumatoid arthritis", "Effect": "Atrial fibrillation", "Treatment.Duration": "NAN", "Treatment.Freq": "NAN", "Subject": "a patient", "Subject.Disorder": "NAN", "Treatment.Drug": ["etanercept", "methotrexate"], "Treatment.Route": "NAN", "Subject.Population": "NAN", "Treatment.Time_elapsed": "NAN", "Combination.Drug": ["etanercept", "methotrexate"], "Treatment": "etanercept plus methotrexate for rheumatoid arthritis", "Subject.Age": "NAN", "Subject.Gender": "NAN"}}], "potential therapeutic event": []}